Powershell 仅当脱机IP/计算机未响应ping测试时发送电子邮件

我想修改下面的脚本，以便在ping未应答或服务器/IP地址脱机时发送电子邮件

以下脚本的问题是，当

$FullServerFile

中的IP/Computername脱机时，它不会发送电子邮件，但在这两种情况下都会发送电子邮件

# Email settings
$Email = @{
    # specify who gets notified
    To = 'xxxxxx@test.com', 'yyyy@test.com'
    # specify where the notifications come from
    From = 'Server_Online@test.com'
    # specify the SMTP server
    SmtpServer = 'mailrelay.test.net'
}

$DownServerFile = "C:\DownServers.txt"
$FullServerFile = "C:\ServerList.txt"
# Create empty arrays for offline server lists
$PreviousDownServers = @()
$CurrentDownServers = @()
If (Test-Path -Path $DownServerFile) { $PreviousDownServers = Get-Content C:\TEMP\DownServers.txt }
Get-Content -Path $FullServerFile | ForEach-Object {
    $Server = $_
    if (test-Connection -ComputerName $Server -Count 2 -Quiet)
    {
        write-Host "$Server is alive and Pinging " -ForegroundColor Green
        #Send email if this server was down previously, but is now up
        if ($PreviousDownServers -notcontains $Server)
        {
            $date = (Get-Date).ToString('dddd dd/MM/yyyy HH:mm tt ') + "$([System.TimeZoneInfo]::FindSystemTimeZoneById((Get-WmiObject win32_timezone).StandardName))"
            $Subject = "$server Ping Monitor success" + $date
            $body = "$Server is now responding to ping."
            Send-MailMessage -Body $body -Subject $subject @Email
        }
    }
    else
    {
        $CurrentDownServers += $Server
        #Send email only if this is the first time the server is down
        if ($PreviousDownServers -notcontains $Server)
        {
            $date = (Get-Date).ToString('dddd dd/MM/yyyy HH:mm tt ') + "$([System.TimeZoneInfo]::FindSystemTimeZoneById((Get-WmiObject win32_timezone).StandardName))"
            $Subject = "$server [$($((Resolve-DnsName -Name $server -Type A).IPAddress))] Ping Monitor failure - $date "
            $body = "$Server is not responding to ping."
            Send-MailMessage -Body $body -Subject $subject @Email
        }
    }
    
}
$CurrentDownServers | Out-File $DownServerFile

---

如前所述，我认为第一次测试是为了查看服务器以前是否停机，错误地使用了

-notcontains

对于我（荷兰机器）

[System.TimeZoneInfo]：：FindSystemTimeZoneById（（Get-WmiObject win32\u timezone）.StandardName）

不起作用，因为

（Get-WmiObject win32\u timezone）.StandardName

返回本地化的名称，并且与时区ID不匹配

另外，我想知道为什么您保留了两个

downserver.txt

文件，而您只需要更新一个文件

应避免连接到

$CurrentDownServers+=$Server

中的数组，因为在每次迭代中，整个数组都会在内存中重新创建，而且非常耗时

我建议把代码改为

# Email settings
$Email = @{
    # specify who gets notified
    To = 'xxxxxx@test.com', 'yyyy@test.com'
    # specify where the notifications come from
    From = 'Server_Online@test.com'
    # specify the SMTP server
    SmtpServer = 'mailrelay.test.net'
}

$DownServerFile = "C:\DownServers.txt"
$FullServerFile = "C:\ServerList.txt"
$TimeZoneName   = (Get-WmiObject Win32_TimeZone).StandardName

$PreviousDownServers = if (Test-Path -Path $DownServerFile -PathType Leaf) { 
                            Get-Content -Path $DownServerFile | Where-Object { $_ -match '\S' }
                       } 
                       else { @() }
$AllServers = Get-Content -Path $FullServerFile | Where-Object { $_ -match '\S' }

$CurrentDownServers = foreach ($Server in $AllServers) {
    if (Test-Connection -ComputerName $Server -Count 2 -Quiet) {
        Write-Host "$Server is alive and Pinging" -ForegroundColor Green
        #Send email if this server was down previously, but is now up
        if ($PreviousDownServers -contains $Server) {
            $date = "{0:dddd dd/MM/yyyy HH:mm tt} $TimeZoneName" -f (Get-Date)
            $Email['Subject'] = "$Server Ping Monitor success" + $date
            $Email['Body']    = "$Server is now responding to ping."
            Send-MailMessage @Email
        }
    }
    else {
        Write-Host "$Server is down" -ForegroundColor Red
        # output the server to be collected in $CurrentDownServers
        $Server
        # Send email only if this is the first time the server is down *Commented out*
        # if ($PreviousDownServers -notcontains $Server) {
            $date = "{0:dddd dd/MM/yyyy HH:mm tt} $TimeZoneName" -f (Get-Date)
            $Email['Subject'] = "$Server [$($((Resolve-DnsName -Name $Server -Type A).IPAddress))] Ping Monitor failure - $date"
            $Email['Body']    = "$Server is not responding to ping."
            Send-MailMessage -Body $body -Subject $subject @Email
        # }
    }  
}
# re-write the $DownServerFile with servers that are down now or delete the file if all servers are up
if (!$CurrentDownServers) { 
    Remove-Item -Path $DownServerFile -ErrorAction SilentlyContinue
}
else {
    $CurrentDownServers | Set-Content $DownServerFile -Force
}

---

那么脚本的哪个特定部分失败了呢？你在调试器中运行过吗？问题不清楚。是否希望每次ping失败时都发送电子邮件？现在的方式是，当服务器还没有关闭时，它会发送电子邮件…第一次测试服务器以前关闭但现在启动是错误的，应该是

if（$PreviousDownServers-contains$server）

（您在那里使用了

-notcontains

）。另外，在我的荷兰机器上，这个

[System.TimeZoneInfo]：：FindSystemTimeZoneById（（Get WmiObject win32_timezone）.StandardName）

不起作用。你不是指

（获取WmiObject win32_时区）。StandardName

？是的，我想实现的是每次IP脱机时发送电子邮件。此脚本将每10分钟执行一次计划任务。感谢您在此线程中提供的更新和帮助。但是，这两个离线IP但是上面的脚本没有发送任何电子邮件？10.10.10.1处于活动状态，Pinging 33.33.33处于关闭状态5.6.7.8处于关闭状态down@SeniorSystemsEngineer很明显，在这次运行之前，活动的ip是活动的，测试是仅当上次该ip关闭时才发送电子邮件。对于停机的服务器，只有当它们不在Downservers.txt文件中时，测试才会发送电子邮件（只有当这是它们第一次没有响应ping时才有效）。尝试使用包含

10.10.10.1

的初始DownServers.txt。这将触发一封电子邮件“10.10.10.1正在响应ping。”以及另外两封包含“33.33.33.33没有响应ping”和“5.6.7.8没有响应ping”的邮件。@SeniorSystemsEngineer我现在稍微更改了脚本，以从我们读入的文件中删除任何空元素。@SeniorSystemsEngineer啊，我误解了这个问题。如果正如我现在所理解的，您希望在每次服务器脱机时发送电子邮件，那么只需删除第二个

If

条件。我已经更新了答案并注释掉了那些行。